mesa: Replace ugly fix for gles/egl

Use instead, the special created recipe mesa-gl which provides on libgl.

Change-Id: I5ed3c50a0a794f8ea63cc1906f0139ec47459fa6
Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>
sdcard_image-rpi: Make rpi-sdimg image dependent on ext3

Change-Id: Ib48c8fd941be5ceb8fe2bcc087f53fb4ef1c0eb5
Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>